rngrd

commit c59b24dddbe63f19181e4bff97eeadf2afae40f9
parent a788897837e426dbf092fec27a2ce393e948fbc9
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Mon,  5 Dec 2022 14:33:56 +0100

Add the rngrd_get_temperature_range function

It returns the minimum and maximum ground temperature.

Diffstat:
M
src/rngrd.h
 | 
5
+++++
M
src/rngrd_properties.c
 | 
31
+++++++++++++++++++++++++++++++

2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/src/rngrd.h b/src/rngrd.h
@@ -160,6 +160,11 @@ rngrd_get_temperature
    const struct rngrd_get_temperature_args* args,
    double* temperature);
 
+RNGRD_API res_T
+rngrd_get_temperature_range
+  (const struct rngrd* rngrd,
+   double T_range[2]);
+
 END_DECLS
 
 #endif /* RNGRD_H */
diff --git a/src/rngrd_properties.c b/src/rngrd_properties.c
@@ -400,6 +400,37 @@ error:
   goto exit;
 }
 
+res_T
+rngrd_get_temperature_range
+  (const struct rngrd* ground,
+   double T_range[2])
+{
+  struct sbuf_desc desc;
+  size_t i;
+  res_T res = RES_OK;
+
+  if(!ground || !T_range) { res = RES_BAD_ARG; goto error; }
+
+  res = sbuf_get_desc(ground->props, &desc);
+  if(res != RES_OK) goto error;
+
+  T_range[0] = +DBL_MAX;
+  T_range[1] = -DBL_MAX;
+  FOR_EACH(i, 0, desc.size) {
+    const struct ALIGN(8) { uint32_t mtl_id; float temperature; }* item;
+    item = sbuf_desc_at(&desc, i);
+    ASSERT(item->temperature >= 0);
+
+    T_range[0] = MMIN(T_range[0], item->temperature);
+    T_range[1] = MMAX(T_range[1], item->temperature);
+  }
+
+exit:
+  return res;
+error:
+  goto exit;
+}
+
 /*******************************************************************************
  * Local function
  ******************************************************************************/